最新試題
On the approach of a warm front the barometric pressure usually（）.
Navigational warnings and weather bulletins for shipping（）from Singapore Radio.
Vessels should not anchor or trawl in the vicinity of pipelines and are（）in the pipeline area shown on the chart.
The charts show two dashed lines crossing the river justsouth of St. Catherine Bar Light. What does this indicate? （）
Why is a warning sign displayed at the gangway or access point of a barge during cargo transfer（）.
On notification by Admiralty Notice to Mariners that a new edition of one of the books，or a new supplement to one，has been published，it should be obtained（）.
Weekly NMs are available without subscription from appointed（）.
Which would influence a magnetic compass（）.
In revised editions of Admiralty charts the（）are corrected first．
RYUKYU S TO SE 6 BEC 4－5.ISOL SHWRS.SEA 3 M BEC 2 M.SWELL SE 3－4M.This description is likely to be under the heading of（）.